(Temple University Health System) Beta-blocker drugs serve a key role in the treatment of heart failure, preventing bombardment of the heart by catecholamines -- substances like epinephrine and norepinephrine -- which overexcite and stress the heart. But not all HF patients respond to beta-blockers, for reasons that are unclear. Now, researchers at the Lewis Katz School of Medicine at Temple University show that dysfunction of beta-adrenergic receptor 3 (β3AR) and consequent decreases in a critical cardioprotective phospholipid may be to blame.

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Mental health, although not being as obvious as physical health, is very important, causing great unhappiness to those affected, causing add...